With Vice President Kamala Harris now the leading candidate to succeed President Joe Biden as the presumptive Democratic presidential nominee, many are speculating about who she will choose as her running mate in the 2024 presidential race. Harris, who arrived at Biden’s campaign headquarters in Delaware on Monday, hasn’t hinted on who she will choose. Experts have still named potential picks however, including Pennsylvania Gov. Josh Shapiro. STAY IN THE KNOW Watch NBC10 Boston news for free, 24/7, wherever you are. Get Boston local news, weather forecasts, lifestyle and entertainment stories to your inbox. Sign up for NBC Boston’s newsletters....